[gimp] file-jpeg: Use slightly more accurate float DCT during load (Bug #741776)

[Mukund Sivaraman <muks src gnome org>]

commit dbd350747e97f34ab5ddd999b67c874ac87967c8
Author: Mukund Sivaraman <muks banu com>
Date:   Sat Dec 20 15:36:18 2014 +0530

    file-jpeg: Use slightly more accurate float DCT during load (Bug #741776)

 plug-ins/file-jpeg/jpeg-load.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/file-jpeg/jpeg-load.c b/plug-ins/file-jpeg/jpeg-load.c
index 576d29a..0425961 100644
--- a/plug-ins/file-jpeg/jpeg-load.c
+++ b/plug-ins/file-jpeg/jpeg-load.c
@@ -155,9 +155,12 @@ load_image (const gchar  *filename,
   /* Step 4: set parameters for decompression */
 
   /* In this example, we don't need to change any of the defaults set by
-   * jpeg_read_header(), so we do nothing here.
+   * jpeg_read_header(), so we do nothing here, except set the DCT
+   * method.
    */
 
+  cinfo.dct_method = JDCT_FLOAT;
+
   /* Step 5: Start decompressor */
 
   jpeg_start_decompress (&cinfo);